dwm/client.c
2006-07-19 13:52:31 +02:00

467 lines
8.2 KiB
C

/*
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include "dwm.h"
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
/* static functions */
static void
resizetitle(Client *c)
{
int i;
c->bw = 0;
for(i = 0; i < TLast; i++)
if(c->tags[i])
c->bw += textw(c->tags[i]);
c->bw += textw(c->name);
if(c->bw > *c->w)
c->bw = *c->w + 2;
c->bx = *c->x + *c->w - c->bw + 2;
c->by = *c->y;
XMoveResizeWindow(dpy, c->title, c->bx, c->by, c->bw, c->bh);
}
static int
xerrordummy(Display *dsply, XErrorEvent *ee)
{
return 0;
}
/* extern functions */
void
ban(Client *c)
{
XMoveWindow(dpy, c->win, *c->x + 2 * sw, *c->y);
XMoveWindow(dpy, c->title, c->bx + 2 * sw, c->by);
}
void
focus(Client *c)
{
Client *old = sel;
XEvent ev;
sel = c;
if(old && old != c)
drawtitle(old);
drawtitle(c);
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
focusnext(Arg *arg)
{
Client *c;
if(!sel)
return;
if(!(c = getnext(sel->next, tsel)))
c = getnext(clients, tsel);
if(c) {
higher(c);
c->revert = sel;
focus(c);
}
}
void
focusprev(Arg *arg)
{
Client *c;
if(!sel)
return;
if((c = sel->revert && sel->revert->tags[tsel] ? sel->revert : NULL)) {
higher(c);
focus(c);
}
}
Client *
getclient(Window w)
{
Client *c;
for(c = clients; c; c = c->next)
if(c->win == w)
return c;
return NULL;
}
Client *
getctitle(Window w)
{
Client *c;
for(c = clients; c; c = c->next)
if(c->title == w)
return c;
return NULL;
}
void
gravitate(Client *c, Bool invert)
{
int dx = 0, dy = 0;
switch(c->grav) {
case StaticGravity:
case NorthWestGravity:
case NorthGravity:
case NorthEastGravity:
dy = c->border;
break;
case EastGravity:
case CenterGravity:
case WestGravity:
dy = -(*c->h / 2) + c->border;
break;
case SouthEastGravity:
case SouthGravity:
case SouthWestGravity:
dy = -(*c->h);
break;
default:
break;
}
switch (c->grav) {
case StaticGravity:
case NorthWestGravity:
case WestGravity:
case SouthWestGravity:
dx = c->border;
break;
case NorthGravity:
case CenterGravity:
case SouthGravity:
dx = -(*c->w / 2) + c->border;
break;
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
dx = -(*c->w + c->border);
break;
default:
break;
}
if(invert) {
dx = -dx;
dy = -dy;
}
*c->x += dx;
*c->y += dy;
}
void
higher(Client *c)
{
XRaiseWindow(dpy, c->win);
XRaiseWindow(dpy, c->title);
}
void
killclient(Arg *arg)
{
if(!sel)
return;
if(sel->proto & WM_PROTOCOL_DELWIN)
sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
else
XKillClient(dpy, sel->win);
}
void
lower(Client *c)
{
XLowerWindow(dpy, c->title);
XLowerWindow(dpy, c->win);
}
void
manage(Window w, XWindowAttributes *wa)
{
int diff;
Client *c;
XSetWindowAttributes twa;
Window trans;
c = emallocz(sizeof(Client));
c->win = w;
c->bx = c->fx = c->tx = wa->x;
c->by = c->fy = c->ty = wa->y;
c->bw = c->fw = c->tw = wa->width;
c->fh = c->th = wa->height;
c->bh = bh;
diff = sw - c->fw;
c->fx = random() % (diff ? diff : 1);
diff = sh - c->fh - bh;
c->fy = random() % (diff ? diff : 1);
if(c->fy < bh)
c->by = c->fy = c->ty = bh;
c->border = 1;
c->proto = getproto(c->win);
setsize(c);
XSelectInput(dpy, c->win,
StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
XGetTransientForHint(dpy, c->win, &trans);
twa.override_redirect = 1;
twa.background_pixmap = ParentRelative;
twa.event_mask = ExposureMask;
c->title = XCreateWindow(dpy, root, c->bx, c->by, c->bw, c->bh,
0, DefaultDepth(dpy, screen), CopyFromParent,
DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
settags(c);
c->next = clients;
clients = c;
XGrabButton(dpy, Button1, ControlMask, c->win, False, ButtonPressMask,
GrabModeAsync, GrabModeSync, None, None);
XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
GrabModeAsync, GrabModeSync, None, None);
XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
GrabModeAsync, GrabModeSync, None, None);
XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
GrabModeAsync, GrabModeSync, None, None);
if(!c->isfloat)
c->isfloat = trans
|| ((c->maxw == c->minw) && (c->maxh == c->minh));
setgeom(c);
settitle(c);
arrange(NULL);
/* mapping the window now prevents flicker */
if(c->tags[tsel]) {
XMapRaised(dpy, c->win);
XMapRaised(dpy, c->title);
focus(c);
}
else {
ban(c);
XMapRaised(dpy, c->win);
XMapRaised(dpy, c->title);
XSync(dpy, False);
}
}
void
maximize(Arg *arg)
{
if(!sel)
return;
*sel->x = sx;
*sel->y = sy + bh;
*sel->w = sw - 2 * sel->border;
*sel->h = sh - 2 * sel->border - bh;
higher(sel);
resize(sel, False, TopLeft);
}
void
pop(Client *c)
{
Client **l;
for(l = &clients; *l && *l != c; l = &(*l)->next);
*l = c->next;
c->next = clients; /* pop */
clients = c;
arrange(NULL);
}
void
resize(Client *c, Bool inc, Corner sticky)
{
XConfigureEvent e;
int right = *c->x + *c->w;
int bottom = *c->y + *c->h;
if(inc) {
if(c->incw)
*c->w -= (*c->w - c->basew) % c->incw;
if(c->inch)
*c->h -= (*c->h - c->baseh) % c->inch;
}
if(*c->x > sw) /* might happen on restart */
*c->x = sw - *c->w;
if(*c->y > sh)
*c->y = sh - *c->h;
if(c->minw && *c->w < c->minw)
*c->w = c->minw;
if(c->minh && *c->h < c->minh)
*c->h = c->minh;
if(c->maxw && *c->w > c->maxw)
*c->w = c->maxw;
if(c->maxh && *c->h > c->maxh)
*c->h = c->maxh;
if(sticky == TopRight || sticky == BotRight)
*c->x = right - *c->w;
if(sticky == BotLeft || sticky == BotRight)
*c->y = bottom - *c->h;
resizetitle(c);
XSetWindowBorderWidth(dpy, c->win, 1);
XMoveResizeWindow(dpy, c->win, *c->x, *c->y, *c->w, *c->h);
e.type = ConfigureNotify;
e.event = c->win;
e.window = c->win;
e.x = *c->x;
e.y = *c->y;
e.width = *c->w;
e.height = *c->h;
e.border_width = c->border;
e.above = None;
e.override_redirect = False;
XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
XSync(dpy, False);
}
void
setgeom(Client *c)
{
if((arrange == dotile) && !c->isfloat) {
c->x = &c->tx;
c->y = &c->ty;
c->w = &c->tw;
c->h = &c->th;
}
else {
c->x = &c->fx;
c->y = &c->fy;
c->w = &c->fw;
c->h = &c->fh;
}
}
void
setsize(Client *c)
{
XSizeHints size;
long msize;
if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
size.flags = PSize;
c->flags = size.flags;
if(c->flags & PBaseSize) {
c->basew = size.base_width;
c->baseh = size.base_height;
}
else
c->basew = c->baseh = 0;
if(c->flags & PResizeInc) {
c->incw = size.width_inc;
c->inch = size.height_inc;
}
else
c->incw = c->inch = 0;
if(c->flags & PMaxSize) {
c->maxw = size.max_width;
c->maxh = size.max_height;
}
else
c->maxw = c->maxh = 0;
if(c->flags & PMinSize) {
c->minw = size.min_width;
c->minh = size.min_height;
}
else
c->minw = c->minh = 0;
if(c->flags & PWinGravity)
c->grav = size.win_gravity;
else
c->grav = NorthWestGravity;
}
void
settitle(Client *c)
{
XTextProperty name;
int n;
char **list = NULL;
name.nitems = 0;
c->name[0] = 0;
XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
if(!name.nitems)
XGetWMName(dpy, c->win, &name);
if(!name.nitems)
return;
if(name.encoding == XA_STRING)
strncpy(c->name, (char *)name.value, sizeof(c->name));
else {
if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
&& n > 0 && *list)
{
strncpy(c->name, *list, sizeof(c->name));
XFreeStringList(list);
}
}
XFree(name.value);
resizetitle(c);
}
void
unmanage(Client *c)
{
Client **l;
XGrabServer(dpy);
XSetErrorHandler(xerrordummy);
XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
XDestroyWindow(dpy, c->title);
for(l = &clients; *l && *l != c; l = &(*l)->next);
*l = c->next;
for(l = &clients; *l; l = &(*l)->next)
if((*l)->revert == c)
(*l)->revert = NULL;
if(sel == c)
sel = sel->revert ? sel->revert : clients;
free(c);
XSync(dpy, False);
XSetErrorHandler(xerror);
XUngrabServer(dpy);
arrange(NULL);
if(sel)
focus(sel);
}
void
zoom(Arg *arg)
{
Client *c;
if(!sel)
return;
if(sel == getnext(clients, tsel) && sel->next) {
if((c = getnext(sel->next, tsel)))
sel = c;
}
pop(sel);
focus(sel);
}